Akamai real-time monitor showing internet traffic, performance, and platform activity.
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DNSWatch offers DNS lookup and reverse DNS lookup tools with exact performance measuring and DNS server monitoring. It also provides RBL email blacklist lookup and IP location lookup. Paid products include DNS performance monitoring starting at $1 per month, mailserver blacklist monitoring starting at $3.5 per month, and a DNS changetracker starting at $7.9 per month. The site is free to use with ads.
Microsoft tool for monitoring website search performance, indexing status, and SEO insights.
Ahrefs is an AI marketing platform built on a proprietary web index, offering tools for SEO, competitive intelligence, content marketing, website performance, local SEO, social media and reporting. Its Brand Radar tracks brand mentions, citations and sentiment across AI chatbots. Subscription plans are Lite, Standard and Advanced, with an annual billing discount stated.
DNSPerf compares the speed and uptime of enterprise and commercial DNS services. It lists DNS providers sorted by DNSPerf rank based on data for the last 30 days, calculated using 40% performance, 45% uptime and 15% quality.
Nmap is a free open source security scanner and network exploration tool available for Linux, Windows, UNIX and FreeBSD. Its documentation includes a reference guide covering command-line arguments, port scanning techniques, firewall and IDS evasion, and timing and performance, with the man page translated into 15 languages.